CN105402025A - Support Structure For Crankshaft - Google Patents
Support Structure For Crankshaft Download PDFInfo
- Publication number
- CN105402025A CN105402025A CN201510568037.9A CN201510568037A CN105402025A CN 105402025 A CN105402025 A CN 105402025A CN 201510568037 A CN201510568037 A CN 201510568037A CN 105402025 A CN105402025 A CN 105402025A
- Authority
- CN
- China
- Prior art keywords
- bent axle
- cylinder block
- bearing
- attached
- supporting structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0002—Cylinder arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0021—Construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0043—Arrangements of mechanical drive elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
- F02F2007/0075—Front covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
- F02F2007/0078—Covers for belt transmissions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/22—Internal combustion engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
A support structure for a crankshaft includes a crankshaft that is rotatably supported on a cylinder block of an internal combustion engine and has an end portion protruding from the cylinder block, a sprocket that is attached on the end portion protruding from the cylinder block and is connected to a cam shaft, a pulley that is attached on the end portion on an opposite side from the sprocket with respect to the cylinder block and is connected to an auxiliary apparatus, and an end bearing that rotatably supports the end portion relative to the cylinder block and is provided on the end portion between the sprocket and the pulley.
Description
Technical field
The present invention relates to the supporting structure for being rotatably supported on the bent axle on the cylinder block of internal-combustion engine.
Background technique
Bent axle is rotatably supported on the cylinder block of internal-combustion engine (being called motor simply hereinafter), and bent axle is configured such that its crankshaft journal is rotatably supported on the housing of cylinder block via sliding bearing (metal bearing).
The end of bent axle is arranged on described hull outside, and the sprocket wheel being connected to camshaft is attached on end.In addition, the pulley being connected to supplementary equipment (such as alternator, power assistance pump for steering, air condition compressor etc.) is attached on the end of the bent axle being arranged on described hull outside.
Therefore, load from camshaft is applied on the region of the sliding bearing of the crankshaft journal being positioned at end side by chain and sprocket wheel concentrated area, and the same load from supplementary equipment is applied to by conveyor belt and pulley on the region of the sliding bearing of the crankshaft journal being positioned at end side.
As the supplementary equipment being attached to motor, be well-known (see JP-A-2006-342694) by the generator of binding engine and the starter generator of starter composition.Starter generator is the object larger than universal generator and is connected to the bent axle of motor via auxiliary conveyor belt (such as timing conveyor belt).
Configuration has the motor of starter generator, makes, when starting, driving force is inputed to auxiliary conveyor belt from starter generator, and during power operation, driving force is inputed to auxiliary conveyor belt from motor (bent axle).In the motor with starter generator, king-sized load is applied on auxiliary conveyor belt.
Therefore, large cantilevered load from auxiliary conveyor belt is applied on the crankshaft journal of bent axle, and therefore there is a kind of possibility: the formation of the oil film in sliding bearing (metal bearing) is not promoted, thus the frictional loss of sliding bearing and wearing and tearing are increased.
In addition, if the alignment of pulley that auxiliary conveyor belt is wound around accurately does not perform, then there is a kind of possibility: frictional force is increased and is applied with large load thus adds the wearing and tearing of auxiliary conveyor belt.
Consider above problem, complete the present invention, and its objective is that providing a kind of can reduce the supporting structure for bent axle being applied to the load of bent axle from auxiliary conveyor belt.
Summary of the invention
(1) according to an aspect of the present invention, a kind of supporting structure for bent axle, comprising: bent axle, and the cylinder block being rotatably supported on internal-combustion engine has from the outstanding end of cylinder block; Sprocket wheel, to be attached at from the outstanding end of cylinder block and to be connected to camshaft; Pulley, is attached at relative to cylinder block away from the end on the relative side of sprocket wheel is connected to auxiliary device; And step bearing, relative to cylinder block rotatably supporting base end portion and being arranged on the end between sprocket wheel and pulley.
In the present invention Gen Ju (1), because the step bearing for the end rotatably supporting bent axle is arranged between sprocket wheel and pulley, that is, in the outside of sprocket wheel being connected to camshaft, thus bent axle can be supported on be connected to auxiliary device pulley near.
Therefore, the load being applied to bent axle from auxiliary conveyor belt can be reduced.
Incidentally, the sprocket wheel disclosing wherein camshaft in No. 2000-282952nd, Japanese Patent Application Publication to be supported on pivotly on housing thus to have the technology of two end supports structure.But, disclosed in No. 2000-282952nd, Japanese Patent Application Publication, technology relates to the technology in the rotatably supported field of engine shaft, and is technology for supporting cam wheel axle and therefore relates to the field different from the technology of the load for reducing being applied to bent axle from auxiliary conveyor belt of the present invention.
(2) Gen Ju (1) in the supporting structure of bent axle, step bearing is supplied the lubricant oil for lubricating internal combustion engines.
In the present invention according to claim 2, because ball bearing is by internal combustion engine lubrication oil lubrication, so the serviceability of ball bearing can be strengthened and can alleviate the sound of the running of ball bearing equally.
(3) supporting structure for bent axle Gen Ju (1) or (2), comprise lubricating pump further, by bent axle rotary actuation thus lubricating pump is delivered to the lubricating oil path of internal-combustion engine, and bearing feed lines, the lubricant oil of the driving pumping by lubricating pump is supplied to step bearing.
In the present invention Gen Ju (3), because provide the lubricating pump of the lubricating oil path for lubricating pump being delivered to internal-combustion engine and be used for supplying lubrication oil to the bearing feed lines of step bearing, so the lubrication of ball bearing can be promoted.
(4) according to according to any one of (1) to (3) in the supporting structure of bent axle, be set to than in axial direction shorter to the distance of the part supporting sprocket wheel from ball bearing along the axial direction of bent axle from ball bearing to the distance of the part supporting pulley.
In the present invention according to claim 4, because be set as shorter from ball bearing to the distance of part supporting pulley, so the auxiliary conveyor belt load being in application to pulley accurately can support bent axle higher than when being applied to the chain load of sprocket wheel.
(5) according to according to any one of (1) to (4) in the supporting structure of bent axle, chain cover is attached to cylinder block thus covers the end being attached with sprocket wheel of bent axle, and step bearing is attached to the inner side towards cylinder block of chain cover.
In the present invention according to claim 5, because the ball bearing for the end supporting bent axle is attached at the inner side of chain cover, so ball bearing can be attached to cylinder block by the chain cover being attached with step bearing is fixed to cylinder block.
(6) according to according to any one of (1) to (5) in the supporting structure of bent axle, step bearing and lubricating pump are set to adjacent one another are.
In the present invention according to claim 6, because step bearing and lubricating pump are set to adjacent one another are, so compact structure can be realized.
Accompanying drawing explanation
Fig. 1 is the explanatory view with the internal-combustion engine of the supporting structure for bent axle according to an embodiment of the invention.
Fig. 2 is the perspective exploded view with the internal-combustion engine of the supporting structure for bent axle according to an embodiment of the invention.
Fig. 3 is the sectional view of the main body of the supporting part of bent axle.
Fig. 4 is the perspective view of the partly cut-away of the main body of the supporting part of bent axle.
Fig. 5 is the schematic diagram in the region of the oil pump explaining lubricating oil path.
Fig. 6 is the schematic diagram in the region of the step bearing explaining lubricating oil path.
Embodiment
Structure according to the main body of the internal-combustion engine (being called motor simply hereinafter) with the supporting structure for bent axle of an embodiment of the invention will be described based on Fig. 1 and Fig. 2.
Fig. 1 illustrates the external view with the general aspect of the internal-combustion engine of the supporting structure for bent axle according to an embodiment of the invention, and Fig. 2 illustrate explanation according to the embodiment of the present invention there is the perspective exploded view in for the support of the bent axle in the motor of the supporting structure of bent axle.
Bent axle 3 is rotatably supported on the bottom of cylinder block 2 of motor 1.That is, the axle journal 3a of bent axle 3 is rotatably supported on the bottom of cylinder block 2 via sliding bearing (metal bearing) 4.The end 5 of bent axle 3 is set to give prominence to from cylinder block.
Sprocket wheel 6 is attached to the end 5 of bent axle 3, and sprocket wheel 6 is connected to camshaft via chain.Chain cover 7 is utilized to cover sprocket wheel 6.The distal side of the end 5 of bent axle 3 is set to give prominence to from chain cover 7, and pulley 8 is attached on the distal portion 5a of end 5, that is, distal portion 5a is positioned at relative on the opposite side of cylinder block 2 away from sprocket wheel 6.
Simultaneously, as auxiliary device, as for the generator of motor 1 and the combination of starter, starter generator 11 remains on the cross side of cylinder block 2, and the auxiliary device of such as power assistance pump for steering and air compressor also keeps (not shown) thereon.Auxiliary conveyor belt (not shown) be wound around starter generator 11 auxiliary pulley 12 and be attached at bent axle 3 end 5 distal portion 5a on pulley 8, and pulley 8 is connected to starter generator 11.
Configuration has the motor 1 of starter generator 11, makes, when starting, driving force is inputed to auxiliary conveyor belt from starter generator 11, and in motor 1 operation period, driving force is inputed to auxiliary conveyor belt from motor 1 (bent axle 3).
The detailed aspect being used for the supporting structure of bent axle according to an embodiment of the invention will be described based on Fig. 3 and Fig. 4.
Fig. 3 illustrates the section morphology shown for the main body of the supporting part of bent axle, and Fig. 4 illustrates the perspective form of the partly cut-away of the main body of the supporting part of bent axle.
Lubricating pump 15 is arranged on the end 5 of the bent axle inside chain cover 7.Lubricating pump 15 to be arranged on outside sprocket wheel 6 (that is, the opposite side of cylinder block 2) and to utilize pump cover 16 to cover.Lubricating pump 15 such as trochoid pump (trochoidpump) is a kind of pumps, and volume on the end 5 that its inner rotator and external rotor are attached at bent axle 3 in this pump and is wherein changed by the rotation (rotation of rotor) of bent axle 3 thus sucked and removal of lubricant.
Lubricating pump 15 (lower inside of pump cover 16) is provided with the suction port 17 being connected to food tray, and chain cover 7 is provided with the oil circuit 18 for guiding the lubricant oil of discharging from lubricating pump 15.The lubricant oil of discharging from lubricating pump 15 to guide to the main passage (maingallery) of motor 1 by oil circuit 18.
End 5 place of the bent axle 3 inside chain cover 7 is provided as the ball bearing 21 of step bearing.Ball bearing 21 is arranged on the outside (that is, the opposite side of cylinder block 2) of lubricating pump 15, and therefore the end 5 of bent axle 3 is rotatably arranged relative to chain cover 7 (relative to cylinder block) by ball bearing 21.By bearing cap 22, ball bearing 21 and lubricating pump 15 are separated.
The outer shroud of ball bearing 21 is press-fitted into the inner side of chain cover 7, and the inner ring of ball bearing 21 is provided on the end 5 of bent axle 3.Because ball bearing 21 is attached on the inner side of chain cover 7, so ball bearing 21 is by being fixed to cylinder block 2 to be attached to cylinder block 2 by chain cover 7.
Reference number 23 in the accompanying drawings represents the oil sealing of the end 5 for sealing bent axle 3.
According to above structure, because the end of bent axle 35 is rotatably supported relative to chain cover 7 (relative to cylinder block) by ball bearing 21, so the end 5 of bent axle 3 can rotatably be supported between sprocket wheel 6 and pulley 8, that is, be connected to the outside of the sprocket wheel 6 of camshaft.
Therefore, bent axle 3 can be supported on the vicinity (see Fig. 1) of the pulley 8 being connected to starter generator 11, and therefore can reduce the large load (see Fig. 1) being applied to bent axle 3 from the auxiliary conveyor belt of starter generator 11.
Be set as than shorter to the distance L2 of the part supporting sprocket wheel 6 from ball bearing 21 from ball bearing 21 to the distance L1 of the part supporting pulley 8 in the end 5 (distal portion 5a) of bent axle 3.That is, to be arranged on the end 5 (distal portion 5a) of bent axle 3 upper thus be close to pulley 8 for ball bearing 21.
Because be set shorter from ball bearing 21 to the distance L1 of part supporting pulley 8, so the auxiliary conveyor belt load being in application to pulley 8 is higher than when being applied to the chain load of sprocket wheel 6, bent axle 3 can accurately support.
By the driving of lubricating pump 15, the lubricant oil of pumping is supplied to ball bearing 21.Because ball bearing 21 is by this kind of engine oil lubrication, so the serviceability of ball bearing 21 can be strengthened and also can alleviate the sound of running generated from ball bearing 21.
Lubricating oil path will be described in detail based on Fig. 5 and Fig. 6.
Fig. 5 illustrates the principle (as along the principle observed by the V-V direction of arrow in Fig. 3) in the region of the lubricating pump 15 explaining lubricating oil path, and Fig. 6 illustrates the principle (as along the principle observed by the VI-VI direction of arrow in Fig. 3) in the region of the ball bearing 21 explaining lubricating oil path.
As shown in Figure 5, for being guided the suction pipe 33 of the lubricant oil converging (pool) in food tray 31 to be connected to the suction port 17 of lubricating pump 15 by filter 32 (strainer).The exhaust port 34 of lubricating pump 15 is connected to oil circuit 18 via oil purifier 36.
As shown in Figure 6, the grease channel 37 as bearing supply line is set up thus diverges from the oil circuit 18 be positioned at above ball bearing 21.In addition, in the pump cover 16 (see Fig. 3 and Fig. 4) be positioned at above ball bearing 21, return passage 38 is set to be connected to the flow channel of locating towards suction port 17.
By driving lubricating pump 15, lubricant oil sucks from suction pipe 33 and then discharges from exhaust port 34, and same lubricant oil is pumped into main passage (maingallery) by oil purifier 36 and oil circuit 18, makes lubricant oil be directed to the desired area of motor 1.In addition, lubricant oil is supplied to ball bearing 21 by grease channel 37, and then lubricant oil is back to the pumping path of lubricant oil by return passage 38.
Therefore, because be set to the lubricating pump 15 adjacent with ball bearing 21 to be provided with grease channel 37 and return passage 38, so promote the lubrication of ball bearing 21 by the driving of lubricating pump 15.In addition, adjacent with ball bearing 21 by lubricating pump 15 is set to, can compact structure be realized.
Because the supporting structure of described bent axle is configured, the end 5 of bent axle 3 is rotatably supported by ball bearing 21, so the end 5 of bent axle 3 rotatably can be supported on the outside of the sprocket wheel 6 being connected to camshaft and therefore be supported between sprocket wheel 6 and pulley 8, and same bent axle 3 can be supported on be connected to starter generator 11 pulley 8 near.
Therefore, the large load being applied to bent axle 3 from the auxiliary conveyor belt of starter generator 11 can be reduced.
Therefore, the large cantilevered load from auxiliary conveyor belt is not applied on the axle journal 3a of bent axle 3, and the formation being therefore applicable to the oil film supported in the sliding bearing of axle journal 3a can not deterioration.Therefore, can not there is the increase of frictional loss and the increase of wearing and tearing in sliding bearing.Especially, the sliding friction of the axle journal 3a the caused loss because lubricant oil is not enough to be fed to wherein when can be reduced in startup, makes the revolution when starting can increase reposefully and can reduce starting fuel equally.
Meanwhile, cantilevered load not only comprises the cantilevered load that large load but also the disequilibrium of rotation aspect that comprises owing to driving the various auxiliary device that causes of auxiliary conveyor belt or pulley 8 from the auxiliary conveyor belt of starter generator 11 cause.
Although illustrate that wherein ball bearing 21 is applied to the embodiment of step bearing in the above-described embodiment, step bearing is not limited to ball bearing 21, and therefore can adopt other bearings (such as needle bearing and metal bearing).
Although describe wherein ball bearing 21 to be attached to the embodiment of the inner side of chain cover 7, ball bearing 21 can be configured to be attached to the outside of chain cover 7 and therefore utilize (also can be used as sealing component) such as shells to cover.
When ball bearing 21 is attached to the outside of chain cover 7, can chain cover 7 be removed from cylinder block 2 and perform replacement or the maintenance of ball bearing 21.
The present invention can be used for the industrial field of the supporting structure related to for being rotatably supported on the bent axle on the cylinder block of internal-combustion engine.
Claims (9)
1., for a supporting structure for bent axle, comprising:
Bent axle, the cylinder block being rotatably supported on internal-combustion engine has from the outstanding end of described cylinder block;
Sprocket wheel, to be attached at from the outstanding described end of described cylinder block and to be connected to camshaft;
Pulley, is attached at relative to described cylinder block away from the described end on the opposite side of described sprocket wheel is connected to auxiliary device; And
Step bearing, rotatably supports described end relative to described cylinder block and is arranged on the described end between described sprocket wheel and described pulley.
2. the supporting structure for bent axle according to claim 1, wherein, described step bearing is supplied the lubricant oil for lubricating described internal-combustion engine.
3. the supporting structure for bent axle according to claim 1, comprises further:
Lubricating pump, by described bent axle rotary actuation thus described lubricating pump is delivered to the lubricating oil path of described internal-combustion engine; And
Bearing feed lines, is supplied to described step bearing by the described lubricant oil of the driving pumping by described lubricating pump.
4. the supporting structure for bent axle according to claim 2, comprises further:
Lubricating pump, by described bent axle rotary actuation thus described lubricating pump is delivered to the lubricating oil path of described internal-combustion engine; And
Bearing feed lines, is supplied to described step bearing by the described lubricant oil of the driving pumping by described lubricating pump.
5. the supporting structure for bent axle according to claim 1, wherein, be set to shorter than the distance along described axial direction from described ball bearing to the part supporting described sprocket wheel along the axial direction of described bent axle from described ball bearing to the distance of the part supporting described pulley.
6. the supporting structure for bent axle according to claim 2, wherein, be set to shorter than the distance along described axial direction from described ball bearing to the part supporting described sprocket wheel along the axial direction of described bent axle from described ball bearing to the distance of the part supporting described pulley.
7. the supporting structure for bent axle according to claim 1, wherein, chain cover is attached to described cylinder block thus covers the described end being attached with described sprocket wheel of described bent axle,
Wherein, described step bearing is attached to the inner side towards described cylinder block of described chain cover.
8. the supporting structure for bent axle according to claim 2, wherein, chain cover is attached to described cylinder block thus covers the described end being attached with described sprocket wheel of described bent axle,
Wherein, described step bearing is attached to the inner side towards described cylinder block of described chain cover.
9. the supporting structure for bent axle according to any one of claim 1 to 8, wherein, described step bearing and described lubricating pump are set to adjacent one another are.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014183640A JP6436289B2 (en) | 2014-09-09 | 2014-09-09 | Crankshaft support structure |
| JP2014-183640 | 2014-09-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105402025A true CN105402025A (en) | 2016-03-16 |
| CN105402025B CN105402025B (en) | 2019-04-09 |
Family
ID=54012019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510568037.9A Active CN105402025B (en) | 2014-09-09 | 2015-09-08 | Support construction for crankshaft |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10247135B2 (en) |
| EP (1) | EP2995804B1 (en) |
| JP (1) | JP6436289B2 (en) |
| CN (1) | CN105402025B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778595A (en) * | 2019-12-02 | 2020-02-11 | 广西玉柴机器股份有限公司 | External full bearing structure of bent axle |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863839A (en) * | 2016-06-02 | 2016-08-17 | 无锡华源凯马发动机有限公司 | Crankshaft supporting structure of vertical output engine |
| JP6542828B2 (en) * | 2017-03-27 | 2019-07-10 | 本田技研工業株式会社 | Internal combustion engine |
| AT522268B1 (en) * | 2019-11-25 | 2021-01-15 | Avl List Gmbh | CRANKCASE FOR A COMBUSTION ENGINE |
| RU203784U1 (en) * | 2020-08-14 | 2021-04-21 | Антонов Сергей Викторович | DEVICE FOR EXTENDING THE RESOURCE OF THE INTERNAL COMBUSTION ENGINE |
| US11339742B2 (en) * | 2020-10-09 | 2022-05-24 | Caterpillar Inc. | Internal combustion engine having cylinder block with cast-in oil pump inlet and outlet passages |
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| US1916522A (en) * | 1930-01-04 | 1933-07-04 | Gen Motors Corp | V-8 engine |
| JPS57107923U (en) * | 1980-12-22 | 1982-07-03 | ||
| JPH0447372Y2 (en) * | 1986-12-25 | 1992-11-09 | ||
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110778595A (en) * | 2019-12-02 | 2020-02-11 | 广西玉柴机器股份有限公司 | External full bearing structure of bent axle |
| CN110778595B (en) * | 2019-12-02 | 2023-07-25 | 广西玉柴机器股份有限公司 | External full bearing structure of bent axle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105402025B (en) | 2019-04-09 |
| US10247135B2 (en) | 2019-04-02 |
| JP2016056730A (en) | 2016-04-21 |
| US20160069295A1 (en) | 2016-03-10 |
| JP6436289B2 (en) | 2018-12-12 |
| EP2995804B1 (en) | 2023-04-19 |
| EP2995804A1 (en) | 2016-03-16 |
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